Copenhagen is not only the main airport for the densely-populated Øresund region, but also the main air transportation hub for Scandinavia, the main hub for the joint Danish-Swedish-Norwegian carrier SAS Group, and one of Europe's major hubs. There is a large number of intercontinental connections to Copenhagen, as well as a dense network of short-haul connections from Copenhagen to destinations throughout all of Europe, especially the Nordic countries.
My six year old grandson loves Lego's. His daddy is a pilot so we got him this Lego City Airport for his birthday. Wow! He couldn't wait to put it together! It was organized in bags (which I didn't know) and this prevents overwhelming a little person. At least that's what my son said! He did indeed help our grandson put it together, but that was expected as a father/son project. It is so realistic! I love the tower especially. It has moving parts and all kinds of nifty little things - like luggage! The plane has a bathroom too! This is a great addition to anyone who loves Lego's!
SAS is a member of Star Alliance, meaning that many of their flights are code-shared or can be interlined with local Star Alliance partners. Therefore, you can take advantage of a one-ticket flight to, from, or via Copenhagen even if your origin or destination is not directly served by SAS. Norwegian is not a member of any alliance, but they offer connecting flights from Copenhagen to their European destinations on one ticket with an intercontinental flight.
Almost all major European carriers have a connection to Copenhagen from their main hubs. As Denmark holds sizable immigrant communities from various European countries, even smaller carriers have frequent connections to the likes of Sarajevo or Belgrade. Copenhagen Airport has been seeing increased traffic from low-fare carriers since the launch of the dedicated CPH Go section of the airport (with common check-in and security with other airlines, but separate gates and waiting area). Airlines using CPH Go include EasyJet, Ryanair, Transavia, and WizzAir, although the latter only for selected destinations, with the majority of its flights to the Øresund area landing at Malmö Sturup Airport instead.
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Basically, the only thing that the two sets have in common is that they both have planes. However there is quite a bit of difference on the inside of the planes. There are a lot more details in the Friends plane. In addition to the seats, there is a rolling service cart complete with refreshments, emergency lighting as well as a larger galley and lav in the back of the plane.

Manufacturing of Lego bricks occurs at several locations around the world. Moulding is done in Billund, Denmark; Nyíregyháza, Hungary; Monterrey, Mexico and most recently in Jiaxing, China. Brick decorations and packaging are done at plants in Denmark, Hungary, Mexico and Kladno in the Czech Republic. The Lego Group estimates that in five decades it has produced 400 billion Lego blocks.[41] Annual production of Lego bricks averages approximately 36 billion, or about 1140 elements per second. According to an article in BusinessWeek in 2006, Lego could be considered the world's No. 1 tire manufacturer; the factory produces about 306 million small rubber tires a year.[42] The claim was reiterated in 2012.[43]

The remainder of the build is the control tower and terminal building. First there is a metal detector screener leading to the waiting/secure area of the airport, which seems taller than it needs to be for the minifigures. I think the same effect could have been made with half the height, except that would not allow for an impressive height for the overall tower. However it does seem to be similar to many modern airports with the high ceilings. This area also seems to be someplace to check luggage as evidenced by the rather nifty conveyor belt that comes in a full part. The moving parts of the set include a revolving door (a very tall one, for the first floor) that leads from the secure area of the airport out to the tarmac, and of course the conveyor belt.